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diff -up util-linux-2.23.2/libmount/src/tab.c.kzak util-linux-2.23.2/libmount/src/tab.c
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--- util-linux-2.23.2/libmount/src/tab.c.kzak 2013-07-30 10:39:26.218738358 +0200
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+++ util-linux-2.23.2/libmount/src/tab.c 2014-09-25 10:53:43.525269554 +0200
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@@ -47,6 +47,8 @@
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#include "strutils.h"
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#include "loopdev.h"
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+static int is_mountinfo(struct libmnt_table *tb);
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+
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/**
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* mnt_new_table:
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*
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@@ -233,7 +235,7 @@ int mnt_table_get_root_fs(struct libmnt_
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assert(tb);
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assert(root);
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- if (!tb || !root)
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+ if (!tb || !root || !is_mountinfo(tb))
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return -EINVAL;
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DBG(TAB, mnt_debug_h(tb, "lookup root fs"));
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@@ -241,8 +243,6 @@ int mnt_table_get_root_fs(struct libmnt_
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mnt_reset_iter(&itr, MNT_ITER_FORWARD);
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while(mnt_table_next_fs(tb, &itr, &fs) == 0) {
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int id = mnt_fs_get_parent_id(fs);
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- if (!id)
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- break; /* @tab is not mountinfo file? */
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if (!*root || id < root_id) {
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*root = fs;
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@@ -250,7 +250,7 @@ int mnt_table_get_root_fs(struct libmnt_
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}
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}
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- return root_id ? 0 : -EINVAL;
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+ return *root ? 0 : -EINVAL;
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}
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/**
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@@ -271,15 +271,13 @@ int mnt_table_next_child_fs(struct libmn
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struct libmnt_fs *fs;
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int parent_id, lastchld_id = 0, chld_id = 0;
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- if (!tb || !itr || !parent)
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+ if (!tb || !itr || !parent || !is_mountinfo(tb))
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return -EINVAL;
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DBG(TAB, mnt_debug_h(tb, "lookup next child of '%s'",
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mnt_fs_get_target(parent)));
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parent_id = mnt_fs_get_id(parent);
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- if (!parent_id)
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- return -EINVAL;
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/* get ID of the previously returned child */
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if (itr->head && itr->p != itr->head) {
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@@ -310,7 +308,7 @@ int mnt_table_next_child_fs(struct libmn
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}
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}
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- if (!chld_id)
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+ if (!*chld)
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return 1; /* end of iterator */
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/* set the iterator to the @chld for the next call */
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diff -up util-linux-2.23.2/misc-utils/findmnt.c.kzak util-linux-2.23.2/misc-utils/findmnt.c
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--- util-linux-2.23.2/misc-utils/findmnt.c.kzak 2013-07-30 11:07:35.138395654 +0200
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+++ util-linux-2.23.2/misc-utils/findmnt.c 2014-09-25 10:49:50.953050560 +0200
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@@ -826,8 +826,9 @@ static int tab_is_tree(struct libmnt_tab
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if (!itr)
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return 0;
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- if (mnt_table_next_fs(tb, itr, &fs) == 0)
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- rc = mnt_fs_get_id(fs) > 0 && mnt_fs_get_parent_id(fs) > 0;
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+ rc = (mnt_table_next_fs(tb, itr, &fs) == 0 &&
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+ mnt_fs_is_kernel(fs) &&
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+ mnt_fs_get_root(fs));
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mnt_free_iter(itr);
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return rc;
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